In Pynac:
REGISTER_FUNCTION(beta, eval_func(beta_eval).
evalf_func(beta_evalf).
derivative_func(beta_deriv).
series_func(beta_series).
latex_name("{\\rm B}").
set_symmetry(sy_symm(0, 1)));
I just see this can be improved, as well as a few others. How should it
read,
I guess at least \\operatorname instead of \\rm? It could also be
removed in favor of something you want to add in Python-Sage.
On Monday, June 27, 2016 at 6:05:13 AM UTC+2, Paul Masson wrote:
>
> Hey Ralf, I'm trying to understand this behavior:
>
> sage: latex(beta(x,x))
> {\rm B}\left(x, x\right)
>
>
> Since there are currently no LaTeX definitions of any sort for the beta
> function, where is the capital "B" coming from? It's a minor question but
> it's bugging me. Thanks.
>
> On Wednesday, June 15, 2016 at 1:53:02 AM UTC-7, Ralf Stephan wrote:
>>
>> From reading source code, it appears that adding a keyword argument
>>>>>> latex_name to the function initialization is equivalent to defining a
>>>>>> _print_latex_ attribute for the function. There is also the option
>>>>>> to define a _latex_ attribute in addition to _print_latex_.
>>>>>>
>>>>>
>> Defining a _latex_() method of a Function class will only change the
>> output
>> if that function class itself is requested, e.g.
>>
>> sage: latex(cos)
>> mycos
>>
>> However, function *calls go through the symbolic/function.pyx machinery,
>> i.e., you
>> can use either latex_name in the __init__ or a _print_latex_() method,
>> but not both.
>>
>>
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